133768652 has 6 divisors (see below), whose sum is σ = 234095148. Its totient is φ = 66884324.

The previous prime is 133768651. The next prime is 133768697. The reversal of 133768652 is 256867331.

It is not an unprimeable number, because it can be changed into a prime (133768651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16721078 + ... + 16721085.

It is an arithmetic number, because the mean of its divisors is an integer number (39015858).

Almost surely, 2^133768652 is an apocalyptic number.

It is an amenable number.

133768652 is a deficient number, since it is larger than the sum of its proper divisors (100326496).

133768652 is a wasteful number, since it uses less digits than its factorization.

133768652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442167 (or 33442165 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 133768652 is about 11565.8398743887. The cubic root of 133768652 is about 511.4283322855.

The spelling of 133768652 in words is "one hundred thirty-three million, seven hundred sixty-eight thousand, six hundred fifty-two".